#ifndef _SCSI_SCSI_TCQ_H #define _SCSI_SCSI_TCQ_H #include #include #include #include #define SCSI_NO_TAG (-1) /* identify no tag in use */ #ifdef CONFIG_BLOCK /** * scsi_host_find_tag - find the tagged command by host * @shost: pointer to scsi_host * @tag: tag * * Note: for devices using multiple hardware queues tag must have been * generated by blk_mq_unique_tag(). **/ static inline struct scsi_cmnd *scsi_host_find_tag(struct Scsi_Host *shost, int tag) { struct request *req = NULL; if (tag == SCSI_NO_TAG) return NULL; if (shost_use_blk_mq(shost)) { u16 hwq = blk_mq_unique_tag_to_hwq(tag); if (hwq < shost->tag_set.nr_hw_queues) { req = blk_mq_tag_to_rq(shost->tag_set.tags[hwq], blk_mq_unique_tag_to_tag(tag)); } } else { req = blk_map_queue_find_tag(shost->bqt, tag); } if (!req) return NULL; return req->special; } #endif /* CONFIG_BLOCK */ #endif /* _SCSI_SCSI_TCQ_H */ 9a11dae01c'/> net-next plumbingsTobias Klauser
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authorVincent <vincent.stehle@laposte.net>2017-01-30 15:06:43 +0100
committerDavid S. Miller <davem@davemloft.net>2017-01-31 13:07:40 -0500
commitc73e44269369e936165f0f9b61f1f09a11dae01c (patch)
treee2188e900ba06302f8ed2746cb07edd3efbc5c35 /include/dt-bindings/pinctrl
parent040587af31228d82c52267f717c9fcdb65f36335 (diff)
net: thunderx: avoid dereferencing xcv when NULL
This fixes the following smatch and coccinelle warnings: drivers/net/ethernet/cavium/thunder/thunder_xcv.c:119 xcv_setup_link() error: we previously assumed 'xcv' could be null (see line 118) [smatch] drivers/net/ethernet/cavium/thunder/thunder_xcv.c:119:16-20: ERROR: xcv is NULL but dereferenced. [coccinelle] Fixes: 6465859aba1e66a5 ("net: thunderx: Add RGMII interface type support") Signed-off-by: Vincent Stehlé <vincent.stehle@laposte.net> Cc: Sunil Goutham <sgoutham@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/dt-bindings/pinctrl')